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Finding the Fourth Proportional to 1,333.26, 1,999.91 and 467.57

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Solution

The fourth proportional to 1,333.26, 1,999.91 and 467.57 is: 701.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333.26 : 1,999.91 = 467.57 : x
  2. Step 2: Convert to fraction form
    1,333.26/1,999.91 = 467.57/x
  3. Step 3: Cross multiply
    1,333.26x = 1,999.91 × 467.57
  4. Step 4: Simplify right side
    1,333.26x = 935,104.09
  5. Step 5: Solve for x
    x = 935,104.09/1,333.26
  6. Step 6: Final answer
    x = 701.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.